| Identification Data |
| Common Name | |
| Constellation | Scorpius |
| Star Name | 1 Sco |
| Skymap Number | 15500149 |
| Henry Draper (HD) Number | 141637 |
| Harvard Revised (HR) Number | 5885 |
| SAO Number | 183854 |
| Durchmusterung (DM) Number | CD-2511131 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 264768 |
| Right Ascension (RA) J2000 | 15h 50m 58.744s |
| Declination (Dec) J2000 | -25° 45' 4.664" |
| Position Uncertainty | 0.0129s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00101 |
| Proper Motion in Dec (J2000) | -0.024966 |
| Radial Velocity | +003.0km s-1 |
| Trigonometric Parallax | +0.00625s |
| Trigonometric Parallax Uncertainty | 0.00091s |
| GCI Unit Vector in X (J2000) | -0.480690 |
| GCI Unit Vector in Y (J2000) | -0.761693 |
| GCI Unit Vector in Z (J2000) | -0.434466 |
| Galactic Longitude | 346.10° |
Galactic Latitude
| 21.71°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.65 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.58 |
| Observed B-V Colour | -0.075 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.4 |
| Observed Photographic Magnitude | 4.6 |
| Morgan Keenan (MK) Spectral Type | B3V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
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